FILTER ELEMENTS, AIR PURIFIER ASSEMBLY AND METHODS OF APPLICATION AND ASSEMBLY Russian patent published in 2021 - IPC B01D46/24 B01D46/52 

FIELD: air purification devices.

SUBSTANCE: invention is intended for air filtration. The filter cartridge contains a filter packing extending along the longitudinal axis between the opposite first and second ends, and the filter packing is characterized by an open internal volume and an external perimeter; an open end cap located at the first end of the packing package; a seal located on an open end cap, wherein the seal is characterized by a profile varying axially between the first radial plane and the second radial plane, with at least part of the seal located either in the open inner volume of the filter packing or around the outer perimeter of the filter packing; a set of axially directed channels located in the open end cap and passing through the first radial plane formed by the first parts of the seal. The air purifier assembly comprises an openable purifier body defining an interior with a radial cavity, the body comprising multiple axially extending ribs at the outlet end of the body, and an air filter cartridge removably located in the interior of the body.

EFFECT: technical result consists in ensuring tightness during the air purifier assembly.

14 cl, 59 dwg